|Publication number||US2858217 A|
|Publication date||Oct 28, 1958|
|Filing date||Feb 16, 1955|
|Priority date||Feb 16, 1955|
|Publication number||US 2858217 A, US 2858217A, US-A-2858217, US2858217 A, US2858217A|
|Inventors||Benson John O|
|Original Assignee||Gen Mills Inc|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (9), Referenced by (48), Classifications (7)|
|External Links: USPTO, USPTO Assignment, Espacenet|
J. O. BENSON CEREAL PRODUCT WITH STRIPED EFFECT AND METHOD OF Filed Feb.
MAKING SAME 16, .1955
JOHN D. BENSON ATTORNEY I 2,858,217 Patented Oct. 28, 1958 United States Patent fiice CEREAL PRODUCT WITH STRIPED EFFECT AND METHOD OF MAKING SAME John O. Benson, Mayer, Minn., assignor to General Mitts, Inc., a corporation of Delaware The present invention relates to a cereal product of the ready-to-eat variety and also pertains to a process of producing such cereal product.
The principal object of the instant invention is to produce a cereal flake having a distinctively attractive appearance and more particularly an aim of the invention is to provide a flake having a plurality of spaced stripes extending substantially from one edge of the flake to the opposite edge thereof. While in most instances it is envisaged that the stripes will be of contrasting color with respect to the remainder of the flake, nonetheless it is within the contemplation of the invention to have these stripes of a different flavor than the rest of the flake. Also, it is within the purview of the invention to have the stripes both of a different color and a different flavor.
Other objects will be in part obvious and in part pointed out more in detail hereinafter.
The invention accordingly consists in the features of the cereal construction and the method by which the cereal is produced, both of which will be exemplified in the construction hereafter set forth and the scope of the application will be indicated in the appended claims.
In the drawing:
Figure l is an elevational view in section showing extrusion apparatus that may be utilized in performing a preferred method of producing my cereal product, the sectional view being taken in the direction of line 1-1 of Figs. 2 and 3.
Fig. 2 is a bottom plan view corresponding to Fig. 1.
Fig. 3 is a sectional view taken in the direction of line 3-3 of Fig. 2.
Fig. 4 is a plan view of a single cereal flake or dough wafer before pulling, the figure showing the striped effect which is desired.
Fig. 5 is the sectional View taken in the direction of line 55 of Fig. 4.
Fig. 6 is a plan view showing a group of cereal flakes after the puffing operation, and
Fig. 7 is a sectional view taken in the direction of line 77 of Fig. 6 so as to show the internal structure of one of the puffed cereal flakes.
Referring now in detail to the drawing and more particularly to Figs. 1, 2 and 3 where extrusion apparatus designated generally by the reference numeral 10 has been illustrated as exemplary structure by which the method hereinafter described may be performed, the extrusion apparatus 10 includes a generally cylindrical shell or casing 12 having an upper bore 14 in which is slidably mounted a plunger or piston 16. The plunger or piston 16 is suitably actuated by mechanism not shown, such mechanism being instrumental in urging the piston 16 downwardly against the cooked dough material labelled 18.
The lower end of the cylindrical casing 12 is provided with a bore 20 for the reception of what may generally be termed a divider block 22. As can be discerned from Figs. 2 and 3 the divider block 22 is equipped with passages 24, 26, 218 and 30, these formed by intermediate bridging strips or bars designated by the numerals 32, 34, and 36. The function of the bridging strips 32, 34 and 36 is to spread or divide the dough material 18 as it is forced through the passages 24, 26, 28 and 30 by reason of the pressural action developed by the piston 16. By so dividing the dough material a plurality of voids 38 is formed as the dough reforms, which voids may be best seen in Fig. 3 although the most central void appears in the sectional view constituting Fig. l.
Utilization of the voids 38 is made for the introduction of coloring matter, such as a colored dye liquid, and in furtherance of this specific aim the divider block 22 is also equipped with a number of dye introducing apertures, these apertures being disposed in the bridging strips 32, 34 and 36. As can be observed from an inspection of Fig. 2 the bridging strip 32 has a series of apertures 41?, the bridging strip 34 apertures 42, and the strip 36 apertures 44. These apertures or orifices in the illustrative mechanism are supplied gravitationally with liquid dye by reason of a tank or reservoir 46 which has a feeding tube 48 leading into the die apparatus 10, a suitable fitting labelled 50 being shown for the purpose of assuring a fluid tight connection. From Fig. 1 it will be seen that a horizontal passage 52 serves as the communication means with the apertures 42 whereas a partially circumferential groove 53 provides a conduit leading in opposite direction to the apertures 40 and 44. Additional horizontal passages 54 and 55 corresponding to the passage 52 will be provided for connecting the groove 53 with the respective apertures 40 and M.
For the purpose of retaining the divider block 22 in a fixed operative position a retaining bushing 56 is provided which has integral therewith a threaded tubular boss 58. The boss 53 abuts against the lower circumferential edge of the divider block 22 and in this way the divider block is held in a fixed relation within the bore 20.
As hereinbefore indicated the function of the divider block 22 is to divide or spread the dough material 18 so that the voids 38 are formed and it is into these voids 38 that the dye material from the tank 46 is introduced. Accordingly, attention should now be devoted to Fig. 3 where the stripes bearing the reference numerals 60, 62 and 64 are depicted, these stripes being incorporated into what may be termed a cylinder of dough material labelled 66. What transpires due to the spreading or dividing action of the bridging strips 32, 34 and 36 is that while the dough material is actually separated as it emerges fro-m the lower end of the divider block 22 the bore of the tubular boss 58 is of such dimensions that the divided dough material is reformed and it is this reformed dough material that has been given the numeral 66. Stated somewhat differently, the cylinder 66 comprises a plurality of parallel strips 68, 70, 72 and '74, these strips being distinctly defined by the coloring dye which forms the stripes 60, 62 and 64.
After formation of the cylinder 66 the dough material forming this cylinder is dried sufliciently so that the cylinder may be sliced into a series of thin wafers 76, one of which is illustrated in Figs. 4 and 5. From these two figures it will be noted that the stripes 6d, 62 and 64 extend from one circumferential edge of the wafer to the other and also extend completely through the thickness of this illustrative wafer. Because the dye material ap pears as relatively short lengths or increments in Fig. 5, being only portions of the dye stripes shown in Fig. 3, these dye stripes in Figs. 4 and 5 have been differentiated by the addition of the subscript a. Similarly the strips or sections 68, 70, 72 and 74 have been distinguished a plurality of parallel passages being "from the'long strips shown' in Fig. 3 by the subscript a.
"Upon completion of the slicing operation the wafers'76 are ready for a pufling operation which may suggestively be performedin a. radiantpufling. oven to produce relativelycrisp'fiakesWT *It will, of course, be appreciated th'at'the-str ipes flo 62,, and 64,, are substantially pre- :served as'far astheir identity is concerned even "though "Ithewafers 76 aresubjected to the radiant puffing action. However,' the puffing action is responsible for producing 'What'may'be termed .a vesicular internal structure and thisstructure vcan 'be seen'from an inspection of Fig. 7, -'Fig."'7 showin'gaplurality of voids 78 which are formed "during-'the 'pui'ling action. Also, it is to be noted from "this-particular"figure'th'atthe picture'dstripes no longer extend completely through thethickness of the puffed fla'kegand' accordingly these stripes in their modified form havebeendilferentiated by the use of the subscript 15. Of course, it will be. recognized "that theproduction of voids"78 follows a random 'or irregular pattern and,
therefore,"manyportions ofthe stripes will not be inter- -rupted-as depicted in Fig. 7. However, this'figure does indicate with considerable particularlity a typical cross section of-the-flake and its vesicular characteristics.
Before proceeding with a specific example it should be emphasized that while the stripes that have been referred "to have-been composed of coloring matter, nonetheless such stripes might'instead'be ofa flavoring material so thatstripes of contrasting flavor are introduced into the final product. Further it can be appreciated that the stripes 'may 'be-ofbot h different color from the remainder of the' flake and also diiferent flavor, thereby serving in a 'dual capacity. Thus, it'willbe recognized that the inventioncoversrnarginally modifying the dough material along adjacent sectional edges so that stripes of various "colors and/or'flavorsare produced in the final flake.
At-this point it should be stressed that the invention is applicable to a variety of cooked cereal doughs and such "doughs embrace derivations from wheat, corn, oats, barleyyrye and 'the like. Further, the doughs may be produced from a single grain or from mixtures thereof *a-ndthe invention particularly envisages doughs derived 'from'a selected grain-'togetherwith the addition of a starch for the purpose'of improving the putfability of the product. Although these doughs may be cooked in any conventional *mannen'reference can be had to Collatz Patent'2',l62 ,376, this patent being illustrative of a facile manner in which the 'cookingof the dough material may be effected. As stated above, although the invention is applicable to cooked doughs in general, it will be cle- -scribed with particular reference to a wheat dough. Also it is to berecognized that'adjustments in the dough may be desirable especially in the moisture content thereof and in the relative proportions of the ingredients of the 'doughs, too. it is felt,however, that these variations "can be readilyv decided upon from a consideration of the following exampleand from a consideration of the objects to -be achieved.
Example -A;dough was prepared from the following ingredients:
Michigan white wheat (ground in a hammer mill equipped with-:0.185 inch diameter round hole Small quantity of coloring and flavoring added during extrusion from solution containing:
Water cc 500 Florasynth Syntharome imitation banana flavor cc 4O Florasynth chocolate shade F coloring gm 1 The above dough ingredients were cooked in a Baker- Perkinsdouble arm jacketed mixer at approximately at- 4 mospheric pressure and at a temperature of 212 F. for approximately 1 /2 hours with reflux, /2 hour with vent open and /2 hour with top removed. This dough material after cooking had a moisture content of approximately 26% and thus was rendered quite suitable for extrusion through the divider block 22 as illustrated in the drawing.
Upon emergence from the divider block 22 the aforesaid dough material hadsuitableplasticitylso that;it-ex panded to form a unitarycylinder. However, since there was no kneading action introduced in the production of the dough cylinderit canbe appreciated' that'the stripes tit), 62 and64-were'maintained'in a well-defined condition although the :expansion- .dueztol the plasticity of the dough material desirably caused the stripes to waiver or deviate from a truly straight line throughout the length of the cylinder 66. The cylinder was then dried to approximately 810% moisture and then sliced in the form of the wafers 76. The wafers werethenpufied atebout 840% moisture in a radiant puffing oven to; yield .the
'ilake product depicted inFigs. 6..and. 7.
in theabove described example theoutside :diameter of the divider block 22 was .approximately'Vs .of .aninch and had passages 24, .26,..28,and.3.0 of approximately 1 of an inch width, .Thebridging strips 32,..34andi36 were approximately 3/ .-of.an-.inch wide and .contained orifices havinga Idiameter .of.0.0135 .ofan inch. The bore of the tubular: boss 58.was.-.approximately.% .of an inch in diameter with .a.length.of /2.inch. .The wafers 76 were cut toapproximately 0.040inch thickness. .The
foregoing conditions were responsible .for producing .a
dough having the. desired. characteristics as far. as the. ease of processing, particularlytheextrusion and .the..desired degree of coalescence deemed advisablenas.fanasforming the unitary cylinder 66. ,.It willbeappreciatedrtoo-that when other doughs are utilized :the dimensions given above for the extrusion apparatusmay be modifiedto; such an extent as to. accommodate Itheseother doughmaterials. Nonetheless from .the specific .descriptiompresented these variations canbe arrived. at without .difficulty.
Also, it is to be stressedthat the exemplified.. procedure and its 'associated apparatus are concerned with .what may be termed smallscale operations. .In-largescale or mass production situations, provision wouldlbemade for thefacile introduction of the doughmaterial .18 to the extrusion cylinder "12 by mechanical means, .and the dough cylinder 66, as'its emerges from Ithe'bushing 56, would be subjected immediately to the slic'ingaction of a conventional rotating knife .withoutthe employment of a drying step, the moisture content of thedoughimaterial itself being appropriately adjusted, where necessary, before extrusion'for such an accelerated technique.
Accordingly, it willbe recognized that theJforegoing description is vfurnishedmby way of illustration. and -..not of limitation, and it is, therefore, myintentionthat the invention be limited only by the appended'clairns. or t-heir equivalents wherein I have endeavored tozcla'im' broadly all inherent novelty.
Now, therefore, I claim:
1. A method of preparing. cerealflakes comprising the steps of extruding a dough material into strips,..adding a striping material between said.,strips, then= causingrsaid strips to be brought together, .transversely slicing'the doughamaterialso extruded into -a plurality. of relatively thin wafers, andheatingsaidwafers sufficiently '-to;:produce relatively .crisp 1 flakes.
2. A" method ofupreparingi cereal'fiakes comprising'the steps of extruding ladough: material to idivideitheidongh material into a number of strips with space 'portions therebetween, injecting into said space portions :a liquid having a different characteristic from' the' *dou'gh material, coalescing said dough strips together, slicing thecoalesced strips transversely into a plurality of -'relatively =t-hin wafers, .and'heating said wafers sufiicientlyto'produce relatively crisp'fiakes.
3. Method according to claim 1 in which the striping material is a flavoring material.
4. Method according to claim 1 in which the striping material is of a contrasting color.
5. A method of preparing cereal flakes comprising the steps of extruding a dough material into strips, adding a striping material between said strips, then causing said strips to be brought together, transversely slicing the dough material so extruded into a plurality of relatively thin wafers, and pufiing said Wafers sufliciently to produce relatively crisp flakes.
6. A cereal product in the form of a relatively thin flake, said flake comprising short segments of extruded dough strips having between said strips a striping material, said strip segments being situated in a side by side relationship and adhered to each other along their sides to form said flakes, the end faces of said segments lying generally in a plane, the end faces of said segments being puffed outwardly as compared with the areas defining the contact between the segments, the contact between said segments being of said striping material.
7. Product according to claim 6 in which the striping material is a flavoring material.
8. Product according to claim 6 in which the striping material is of a contrasting color.
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|U.S. Classification||426/93, 426/96, 426/249, 425/131.1|